CH673369A5 - - Google Patents

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Publication number
CH673369A5
CH673369A5 CH1742/85A CH174285A CH673369A5 CH 673369 A5 CH673369 A5 CH 673369A5 CH 1742/85 A CH1742/85 A CH 1742/85A CH 174285 A CH174285 A CH 174285A CH 673369 A5 CH673369 A5 CH 673369A5
Authority
CH
Switzerland
Prior art keywords
plasma generator
shaft furnace
wall
nose
shut
Prior art date
Application number
CH1742/85A
Other languages
German (de)
English (en)
Inventor
Jan Thoernblom
Gunnar Astner
Original Assignee
Skf Steel Eng Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skf Steel Eng Ab filed Critical Skf Steel Eng Ab
Publication of CH673369A5 publication Critical patent/CH673369A5/de

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/3431Coaxial cylindrical electrodes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00Shaft or like vertical or substantially vertical furnaces
    • F27B1/10Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/16Arrangements of tuyeres
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B5/00Making pig-iron in the blast furnace
    • C21B5/001Injecting additional fuel or reducing agents
    • C21B5/002Heated electrically (plasma)
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/48Generating plasma using an arc
    • H05H1/50Generating plasma using an arc and using applied magnetic fields, e.g. for focusing or rotating the arc
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/40Details, e.g. electrodes, nozzles using applied magnetic fields, e.g. for focusing or rotating the arc

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Plasma Technology (AREA)
  • Discharge Heating (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Vending Machines For Individual Products (AREA)
CH1742/85A 1984-10-19 1985-04-24 CH673369A5 (US20100223739A1-20100909-C00005.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8405229A SE451756B (sv) 1984-10-19 1984-10-19 Plasmageneratorinstallation i schaktugn

Publications (1)

Publication Number Publication Date
CH673369A5 true CH673369A5 (US20100223739A1-20100909-C00005.png) 1990-02-28

Family

ID=20357412

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1742/85A CH673369A5 (US20100223739A1-20100909-C00005.png) 1984-10-19 1985-04-24

Country Status (29)

Country Link
US (1) US4638489A (US20100223739A1-20100909-C00005.png)
JP (1) JPS6199300A (US20100223739A1-20100909-C00005.png)
KR (1) KR900005892B1 (US20100223739A1-20100909-C00005.png)
AT (1) AT393730B (US20100223739A1-20100909-C00005.png)
AU (1) AU569384B2 (US20100223739A1-20100909-C00005.png)
BE (1) BE902211A (US20100223739A1-20100909-C00005.png)
CA (1) CA1267435A (US20100223739A1-20100909-C00005.png)
CH (1) CH673369A5 (US20100223739A1-20100909-C00005.png)
CS (1) CS261880B2 (US20100223739A1-20100909-C00005.png)
DD (1) DD233029A5 (US20100223739A1-20100909-C00005.png)
DE (1) DE3511233A1 (US20100223739A1-20100909-C00005.png)
ES (1) ES293483Y (US20100223739A1-20100909-C00005.png)
FI (1) FI79190C (US20100223739A1-20100909-C00005.png)
FR (1) FR2572171B1 (US20100223739A1-20100909-C00005.png)
GB (1) GB2166029B (US20100223739A1-20100909-C00005.png)
IL (1) IL74655A (US20100223739A1-20100909-C00005.png)
IN (1) IN164397B (US20100223739A1-20100909-C00005.png)
IT (1) IT1183522B (US20100223739A1-20100909-C00005.png)
MX (1) MX157473A (US20100223739A1-20100909-C00005.png)
NL (1) NL8500829A (US20100223739A1-20100909-C00005.png)
NO (1) NO161878C (US20100223739A1-20100909-C00005.png)
NZ (1) NZ211583A (US20100223739A1-20100909-C00005.png)
PL (1) PL143635B1 (US20100223739A1-20100909-C00005.png)
PT (1) PT80280B (US20100223739A1-20100909-C00005.png)
SE (1) SE451756B (US20100223739A1-20100909-C00005.png)
SU (1) SU1440354A3 (US20100223739A1-20100909-C00005.png)
YU (1) YU45249B (US20100223739A1-20100909-C00005.png)
ZA (1) ZA852112B (US20100223739A1-20100909-C00005.png)
ZW (1) ZW5285A1 (US20100223739A1-20100909-C00005.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5949193A (en) * 1995-10-11 1999-09-07 Valtion Teknillinen Tutkimuskeskus Plasma device with resonator circuit providing spark discharge and magnetic field

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2637442B1 (fr) * 1988-10-03 1990-11-02 Aerospatiale Dispositif pour la mise a poste et le retrait d'une torche a plasma sur un appareil fonctionnant sous pression et temperature interdisant une intervention directe
FR2637443B1 (fr) * 1988-10-03 1990-11-02 Aerospatiale Procede et dispositif pour la mise a poste et le retrait d'une torche a plasma sur un appareil fonctionnant dans des conditions de pression et de temperature interdisant une intervention directe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3422206A (en) * 1965-04-07 1969-01-14 Union Carbide Corp Method and apparatus for melting metal in an electric furnace
US3376211A (en) * 1965-04-19 1968-04-02 Phillips Petroleum Co Method and apparatus for performing chemical reactions by means of an electric arc
US4013867A (en) * 1975-08-11 1977-03-22 Westinghouse Electric Corporation Polyphase arc heater system
SE434408B (sv) * 1980-09-17 1984-07-23 Asea Ab Anordning for reduktion av metalloxid
AT382890B (de) * 1982-10-05 1987-04-27 Voest Alpine Ag Plasmaschmelzofen
EP0118655B1 (de) * 1982-12-22 1988-03-02 VOEST-ALPINE Aktiengesellschaft Verfahren zur Durchführung von metallurgischen oder chemischen Prozessen und Niederschachtofen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5949193A (en) * 1995-10-11 1999-09-07 Valtion Teknillinen Tutkimuskeskus Plasma device with resonator circuit providing spark discharge and magnetic field

Also Published As

Publication number Publication date
BE902211A (fr) 1985-08-16
IL74655A0 (en) 1985-06-30
IN164397B (US20100223739A1-20100909-C00005.png) 1989-03-11
PT80280B (pt) 1992-06-30
FI851064L (fi) 1986-04-20
CS261880B2 (en) 1989-02-10
IL74655A (en) 1989-05-15
AU569384B2 (en) 1988-01-28
SE8405229L (sv) 1986-04-20
SU1440354A3 (ru) 1988-11-23
NL8500829A (nl) 1986-05-16
YU52085A (en) 1988-02-29
NO161878C (no) 1989-10-04
SE8405229D0 (sv) 1984-10-19
DD233029A5 (de) 1986-02-12
NO851199L (no) 1986-04-21
PL253143A1 (en) 1986-05-06
IT1183522B (it) 1987-10-22
FI79190B (fi) 1989-07-31
PT80280A (en) 1985-05-01
GB2166029A (en) 1986-04-23
GB8505148D0 (en) 1985-04-03
FI851064A0 (fi) 1985-03-18
GB2166029B (en) 1987-09-09
AU4033485A (en) 1986-04-24
NZ211583A (en) 1986-10-08
CA1267435A (en) 1990-04-03
ZW5285A1 (en) 1985-06-26
FR2572171A1 (fr) 1986-04-25
ATA127485A (de) 1991-05-15
CS247985A2 (en) 1988-07-15
IT8520148A0 (it) 1985-03-29
KR860003486A (ko) 1986-05-26
KR900005892B1 (ko) 1990-08-13
ES293483Y (es) 1987-05-01
DE3511233C2 (US20100223739A1-20100909-C00005.png) 1987-01-22
FI79190C (fi) 1989-11-10
JPS6199300A (ja) 1986-05-17
MX157473A (es) 1988-11-23
ZA852112B (en) 1986-11-26
SE451756B (sv) 1987-10-26
NO161878B (no) 1989-06-26
PL143635B1 (en) 1988-02-29
ES293483U (es) 1986-08-16
YU45249B (en) 1992-05-28
DE3511233A1 (de) 1986-04-30
AT393730B (de) 1991-12-10
US4638489A (en) 1987-01-20
FR2572171B1 (fr) 1990-01-12

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Legal Events

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PL Patent ceased